function smartRollover() {
if(document.getElementsByTagName) {
var images = document.getElementsByTagName("img");

for(var i=0; i < images.length; i++) {
if(images[i].getAttribute("src").match("_off."))
{
images[i].onmouseover = function() {
this.setAttribute("src", this.getAttribute("src").replace("_off.", "_on."));
}
images[i].onmouseout = function() {
this.setAttribute("src", this.getAttribute("src").replace("_on.", "_off."));
}
}
}
}
}

if(window.addEventListener) {
window.addEventListener("load", smartRollover, false);
}
else if(window.attachEvent) {
window.attachEvent("onload", smartRollover);
}


var pageScrollTimer = null;
var isIE = false;

if (navigator.appName.indexOf("Microsoft Internet Explorer", 0) == 0) {
isIE = true;
}

/* 
 * ページのトップ部分までスクロールする
 */
function backToTop() {
scrollPage(0);

}
function backToTopbiz(str) {
moveTo(str);

}

/* 
 * idが指定されたエレメントまでスクロールする
 */
function moveTo(id) {
var el = document.getElementById(id);
var targetTop = el.offsetTop;
if (isIE) {
while ((el = el.offsetParent) != null) {
targetTop += el.offsetTop;
}
}

var winHeight;
if (document.documentElement.clientHeight) {
winHeight = document.documentElement.clientHeight;
} else if (window.innerHeight) {
winHeight = window.innerHeight;
}
var scrollHeight = document.documentElement.scrollHeight;

if (scrollHeight - targetTop < winHeight) {
targetTop = scrollHeight - winHeight;
}

scrollPage(targetTop);
}

/* 
 * スクロール処理
 */
function scrollPage(targetTop, prevTop) {
if (pageScrollTimer) {
clearTimeout(pageScrollTimer);
pageScrollTimer = null;
}
var nowLeft = document.body.scrollLeft || document.documentElement.scrollLeft;
var nowTop = document.body.scrollTop || document.documentElement.scrollTop;

if (prevTop) {
if (nowTop == prevTop) {
return;
}
}

var sabunX = 0 - nowLeft;
var sabunY = targetTop - nowTop;

// 移動位置（X座標）を算出する
var setLeft;
if (Math.abs(sabunX) == 1) {
setLeft = nowLeft + sabunX;
} else {
setLeft = nowLeft + Math.floor(sabunX / 2);
}

// 移動位置（Y座標）を算出する
var setTop;
if (Math.abs(sabunY) == 1) {
setTop = nowTop + sabunY;
} else {
setTop = nowTop + Math.floor(sabunY / 2);
}

if (setLeft == 0 && setTop == targetTop) {
clearTimeout(pageScrollTimer);
pageScrollTimer = null;
} else {
window.scrollTo(setLeft, setTop);
pageScrollTimer = window.setTimeout("scrollPage(" + targetTop + ", " + nowTop + ")", 25);
}
}


//ACC
function acc(){
document.write("<img src='http://www.please-check.com/kiichi/cgi-bin/acc/acclog.cgi?");
document.write("referrer="+parent.document.referrer+"&");
document.write("width="+screen.width+"&");
document.write("height="+screen.height+"&");
document.write("color="+screen.colorDepth+"'>");
}